Secret Still Observatory

'I saw the crescent, you saw the whole of the Moon'

Mark

1 minute read

The sunspot group 4079 was so large that it was visible to the naked-eye (when viewed through eclipse glasses). In a telescope the elements were clearly visible. Due to the vagaries of the atmosphere and frequent clouds, sketching was a superior (and far more enjoyable) way to record this compared to photography.

The Sun July 2023 (Annotated)

Hand sketches of sun spots from white light observation.

Mark

1 minute read

12th July - the huge sunspot group 3363 was apparently visible with the naked eye and appropriate filters.

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